Home / 9,010.26-12,433.46-5,425.40

Finding the Fourth Proportional to 9,010.26, 12,433.46 and 5,425.40

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Solution

The fourth proportional to 9,010.26, 12,433.46 and 5,425.40 is: 7,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.26 : 12,433.46 = 5,425.40 : x
  2. Step 2: Convert to fraction form
    9,010.26/12,433.46 = 5,425.40/x
  3. Step 3: Cross multiply
    9,010.26x = 12,433.46 × 5,425.40
  4. Step 4: Simplify right side
    9,010.26x = 67,456,497.84
  5. Step 5: Solve for x
    x = 67,456,497.84/9,010.26
  6. Step 6: Final answer
    x = 7,486.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.